ArticleJournal of neurophysiology2014
The interplay of seven subthreshold conductances controls the resting membrane potential and the oscillatory behavior of thalamocortical neurons.
Article in Journal of neurophysiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.
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Who cites it
32 citing papers in PubMed.
- Awake alpha bursting emerges as the dynamic working state in a lateral geniculate thalamocortical cell model.PLoS computational biology · 2026Article
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- Mid-infrared photons relieve tinnitus-like behavior of mice by regulating HCN2 ion channels in the medial geniculate body.Annals of medicine · 2025Article
- A comprehensive review of HCN channel expression and IJournal of neurophysiology · 2025Review
- Dynamics of interaction betweenCognitive neurodynamics · 2024Article
- Thalamic control of sensory processing and spindles in a biophysical somatosensory thalamoreticular circuit model of wakefulness and sleep.Cell reports · 2023Article
- Multiple intrinsic membrane properties are modulated in a switch from single- to dual-network activity.Journal of neurophysiology · 2022Article
- Maternal Hypoxia Increases the Excitability of Neurons in the Entorhinal Cortex and Dorsal Hippocampus of Rat Offspring.Frontiers in neuroscience · 2022Article
- Distinct burst properties contribute to the functional diversity of thalamic nuclei.The Journal of comparative neurology · 2021Article
- A familiar study on self-limited childhood epilepsy patients using hIPSC-derived neurons shows a bias towards immaturity at the morphological, electrophysiological and gene expression levels.Stem cell research & therapy · 2021Article
- Insertion of Calcium-Permeable AMPA Receptors during Epileptiform Activity In Vitro Modulates Excitability of Principal Neurons in the Rat Entorhinal Cortex.International journal of molecular sciences · 2021Article
- Peripheral Inflammation Results in Increased Excitability of Capsaicin-Insensitive Nociceptive DRG Neurons Mediated by Upregulation of ASICs and Voltage-Gated Ion Channels.Frontiers in cellular neuroscience · 2021Article
- GABAFrontiers in cellular neuroscience · 2021Article
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- Homeostatic Plasticity in Epilepsy.Frontiers in cellular neuroscience · 2020Article
- Experimentally-constrained biophysical models of tonic and burst firing modes in thalamocortical neurons.PLoS computational biology · 2019Article
- Mutual Suppression of Proximal and Distal Axonal Spike Initiation Determines the Output Patterns of a Motor Neuron.Frontiers in cellular neuroscience · 2019Article
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5 authors.
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Abstract
The signaling properties of thalamocortical (TC) neurons depend on the diversity of ion conductance mechanisms that underlie their rich membrane behavior at subthreshold potentials. Using patch-clamp recordings of TC neurons in brain slices from mice and a realistic conductance-based computational model, we characterized seven subthreshold ion currents of TC neurons and quantified their individual contributions to the total steady-state conductance at levels below tonic firing threshold. We then used the TC neuron model to show that the resting membrane potential results from the interplay of several inward and outward currents over a background provided by the potassium and sodium leak currents. The steady-state conductances of depolarizing Ih (hyperpolarization-activated cationic current), IT (low-threshold calcium current), and INaP (persistent sodium current) move the membrane potential away from the reversal potential of the leak conductances. This depolarization is counteracted in turn by the hyperpolarizing steady-state current of IA (fast transient A-type potassium current) and IKir (inwardly rectifying potassium current). Using the computational model, we have shown that single parameter variations compatible with physiological or pathological modulation promote burst firing periodicity. The balance between three amplifying variables (activation of IT, activation of INaP, and activation of IKir) and three recovering variables (inactivation of IT, activation of IA, and activation of Ih) determines the propensity, or lack thereof, of repetitive burst firing of TC neurons. We also have determined the specific roles that each of these variables have during the intrinsic oscillation.
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